<template>
  <div class="h-full bg-[rgb(48, 65, 86)]">
    <el-menu
      active-text-color="#ffd04b"
      background-color="#304156"
      class="el-menu-vertical-demo h-full"
      :default-active="index"
      text-color="#fff"
      @open="handleOpen"
      @close="handleClose"
      router
    >
    <el-sub-menu index="1">
        <template #title>
            <el-icon><Menu /></el-icon>
          <span>首页</span>
        </template>
      </el-sub-menu>

      <el-sub-menu 
      index="/firstPage"
      >
        <template #title>
            <el-icon><Histogram /></el-icon>
          <span>商品管理</span>
        </template>
        <el-menu-item
         index="/shopList"
         >
          <template #title>
            <span>商品列表</span>
          </template></el-menu-item>

        <el-menu-item
         index="/shelves"
         >
          <template #title>
            <span>商品上架</span>
          </template></el-menu-item>

        <el-menu-item
         index="/comments"
         >
          <template #title>
            <span>商品评论</span>
          </template></el-menu-item>
        
      </el-sub-menu>
     
    </el-menu>
  </div>
</template>

<script setup>
import {watch,ref} from 'vue'
import { useRoute } from 'vue-router';
import { Menu, Histogram} from "@element-plus/icons-vue";
const route = useRoute()

const handleOpen = (key, keyPath) => {
  console.log(key, keyPath);
};
const handleClose = (key, keyPath) => {
  console.log(key, keyPath);
};

let index = ref('/firstPage')

//监视路由变化
watch(route,(to)=>{
  index.value=to.path
},{immediate:true})
</script>

<style>
</style>